G20 subnational legislatures
Lucic (2026) 
Harvard data Repository

Check the file named "READ_ME_Guide_lucic_G20_subnational_legislatures" for construction details, remarks and comments. 

For any question, contact lucic.nicolas@gmail.com

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All sources for individual territories as of November 2025.
Note that changes for individual provinces will happen relatively quickly and total number of seats will most likely grow as a function of population for most countries. 

Note that Chinese reported data are subject to a 10-20 +/- swing depending on dynamic reassignments and resignations during the five year tenures. 

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Australia 

Population : 
https://www.abs.gov.au/statistics/people/population/population-census/2021 

New south wales : 93 lower house, 42 upper house 
https://www.parliament.nsw.gov.au/about/Pages/The-voting-system-in-New-South-Wales-State-electi.aspx

Victoria : 88 lower house, 40 upper house 
https://www.vpsc.vic.gov.au/about-public-sector/victorias-system-of-government/parliament/

Queensland : 93 lower house, upper house suppressed in 1922 
https://www.parliament.qld.gov.au/Members/Current-Members 

South Australia : 47 lower house, 22 upper house 
https://www.parliament.sa.gov.au/en/Members/Members-Home 

Western Australia : 59 lower house, 37 upper house, https://www.parliament.wa.gov.au/parliament/memblist.nsf/WAMembers 

Tasmania : 35 lower house, 15 upper house 
https://www.tec.tas.gov.au/house-of-assembly/index.html, previously 25 until July 2025 

Northern territory : 25 lower house, no upper house 
https://parliament.nt.gov.au/members 

Australian capital territory : 25 lower house, no upper house  
https://www.parliament.act.gov.au/members/current 

Norfolk Island : until 2015, 5 lower house (1 full time, 4 part time). Pending new reforms and elections. https://www.infrastructure.gov.au/sites/default/files/documents/norfolk-island-assembly-fact-sheet-12november2024.pdf 

Cocos (Keeling) Islands : 7 lower house 
https://shire.cc/en/your-council/meet-the-council.html 

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Brazil 
(data from local statistical offices match reported data by Wikipedia)

Population : https://www.ibge.gov.br/pt/estatisticas/downloads-estatisticas.html

Acre : 24 https://www.poder360.com.br/eleicoes/saiba-quem-sao-os-deputados-estaduais-eleitos-pelo-ac-em-2022/ 

Alagoas : 27 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Alagoas 

Amapa : 24 https://en.wikipedia.org/wiki/Legislative_Assembly_of_the_State_of_Amap%C3%A1 

Amazonas : 24 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Amazonas 

Bahia : 63 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Bahia 

Ceara : 46 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Cear%C3%A1 

Espirito Santo : 30 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Esp%C3%ADrito_Santo 

Goais : 41 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Goi%C3%A1s 

Maranhao : 42 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Maranh%C3%A3o 

Mato Grosso : 24 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Mato_Grosso 

Mato Grosso do sul : 24 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Mato_Grosso_do_Sul 

Minas Gerais : 77 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Minas_Gerais 

Para : 41 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Par%C3%A1 

Paraibo : 36 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Para%C3%ADba 

Parana : 54 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Paran%C3%A1 

Pernambuco : 49 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Pernambuco 

Piaui : 30 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Piau%C3%AD 

Rio do Janeiro : 70 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Rio_de_Janeiro 

Rio Grande do Norte : 24 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Rio_Grande_do_Norte 

Rio Grande do Sul : 55 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Rio_Grande_do_Sul 

Rondonia : 24 https://en.wikipedia.org/wiki/Legislative_Assembly_of_the_State_of_Rond%C3%B4nia 

Roraima : 24 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Roraima 

Santa Catarina : 40 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Santa_Catarina 

Sao Paulo : 94 https://en.wikipedia.org/wiki/Legislative_Assembly_of_S%C3%A3o_Paulo 

Sergipe : 24 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Sergipe 

Tocantins: 24 https://en.wikipedia.org/wiki/Legislative_Assembly_of_the_State_of_Tocantins 

Distrito Federal : 24 https://www.cl.df.gov.br/web/guest/deputados-2023-2026 

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Canada 
(data from local statistical offices match reported data by Wikipedia)

Population : https://www150.statcan.gc.ca/t1/tbl1/en/tv.action?pid=1710000901&cubeTimeFrame.startMonth=07&cubeTimeFrame.startYear=2025&cubeTimeFrame.endMonth=07&cubeTimeFrame.endYear=2025&referencePeriods=20250701%2C20250701
 
Alberta : 87 ; British Columbia : 93 ; Manitoba : 57 ; New Brunswick : 49 ; Newfoundland and Labrador : 40 ; Nova Scotia : 55 ; Ontario : 124 ; Prince Edward Island : 27 ; Quebec : 125 ; Saskatchewan : 61 ; Northwest territories : 19 ; Nunavut : 22 ; Yukon : 21. 

Source : https://en.wikipedia.org/wiki/Legislative_assemblies_of_Canadian_provinces_and_territories 

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France 

Population : https://www.insee.fr/fr/statistiques/8331297 

Auvergne Rhone Alpes : 204 https://www.auvergnerhonealpes.fr/elus 

Bourgogne France Comté : 100 https://www.bourgognefranchecomte.fr/annuaire-des-elus 

Bretagne : 83 https://www.bretagne.bzh/region/notre-fonctionnement/elus/ 

Centre Val de Loire : 77 https://fr.wikipedia.org/wiki/Conseil_r%C3%A9gional_du_Centre-Val_de_Loire 

Corse : 63 https://www.prefectures-regions.gouv.fr/corse/Documents-publications/Dossiers/Les-elus-de-Corse/Conseillers-territoriaux 

Grand Est : 169 https://www.grandest.fr/fonctionnement-de-la-region/elus-regionaux/ 

Hauts de France : 170 https://www.hautsdefrance.fr/conseil-regional-hdf/les-elus/ 

Ile de France : 209 https://www.iledefrance.fr/toutes-les-actualites/liste-des-209-elus-du-conseil-regional-dile-de-france-pour-la-mandature-2021-2028 

Normandie : 102 https://www.normandie.fr/conseillers-regionaux 

Nouvelle Aquitaine : 183 https://www.nouvelle-aquitaine.fr/linstitution/les-elus 

Occitanie : 158 https://www.laregion.fr/Les-elues-et-elus 

Pays de la Loire : 93 https://www.paysdelaloire.fr/mon-conseil-regional/linstitution/lassemblee-regionale 

Provence Alpes Cote d’Azur : 123 https://www.maregionsud.fr/ma-region/vie-institutionnelle/le-conseil-regional 

Oversears French territories :
Guadeloupe : 41 https://www.regionguadeloupe.fr/ma-region-un-territoire/les-elus-du-conseil-regional/les-conseillers/#_ 

Martinique : 51 https://fr.wikipedia.org/wiki/Assembl%C3%A9e_de_Martinique 

La Réunion :45  https://www.regionreunion.com/la-region/article/les-elus-du-conseil-regional 

Guyane : 55 https://www.ctguyane.fr/organisation-politique/ 

Mayotte : 26 (will be 52 starting 2028 after reform) https://fr.wikipedia.org/wiki/Liste_des_conseillers_d%C3%A9partementaux_de_Mayotte 

Nouvelle Calédonie : 54 https://www.congres.nc/vos-elus/ // population : 264 596 https://www.isee.nc/population/recensement/structure-de-la-population-et-evolutions 

Polynésie Française : 57 https://www.assemblee.pf/representants  // Population : 278 786 https://www.ispf.pf/ 

Saint Pierre et Miquelon : 19 https://www.spm-ct975.fr/la-collectivite-territoriale/vos-19-elus-territoriaux/  // Population : 5819 https://la1ere.franceinfo.fr/saintpierremiquelon/l-inversion-des-courbes-demographiques-de-plus-en-plus-marquee-a-saint-pierre-et-miquelon-1553674.html 

Saint Martin : 23 https://www.comstmartin.fr/elus  // population : 31496 https://www.iedom.fr/IMG/pdf/ra_iedom_2024_ed._2025_-_saint-martin.pdf 

Saint Barthélémy : 19 https://www.comstbarth.fr/votre-collectivite/vos-elus  // population : 10562 https://www.iedom.fr/IMG/pdf/ra_iedom_2024_ed._2025_-_saint-barthelemy.pdf 

Wallis et Futuna : 20 https://www.wallis-et-futuna.gouv.fr/Actualites/Presentation-de-Wallis-et-Futuna/Organisation-institutionnelle  // population : 11151 https://www.insee.fr/fr/statistiques/8272934 

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Argentina 
(data from local statistical offices match reported data by Wikipedia)

Population : https://en.wikipedia.org/wiki/Provinces_of_Argentina 

Buenos Aires province : 92 lower house, 46 upper house
Buenos Aires autonomous city : 60 lower house, no upper house
Catamarca province : 41 lower house, 16 upper house
Chaco province : 32 lower house, no upper house
Chubut province : 27 lower house, no upper house
Cordoba province : 70 lower house, no upper house
Corrientes province : 30 lower house, 15 upper house
Entre Rios province : 34 lower house, 17 upper house 
Formosa province : 30 lower house, no upper house
Jujuy province : 48 lower house, no upper house
La Pampa province : 30 lower house, no upper house
La Rioja province : 36 lower house, no upper house
Mendoza province : 48 lower house, 38 upper house
Misiones province : 40 lower house, no upper house
Neuquen province : 35 lower house, no upper house
Rio Negro province : 46 lower house, no upper house
Salta province : 60 lower house, 23 upper house
San Juan province : 36 lower house, no upper house
San Luis province : 43 lower house, 9 upper house
Santa Cruz province : 24 lower house, no upper house
Santa Fe province : 50 lower house, 19 upper house
Santiago del Estero province : 40 lower house, no upper house
Tierra del Fuego province : 15 lower house, no upper house
Tucuman province : 49 lower house, no upper house 

Source for all provinces : https://en.wikipedia.org/wiki/List_of_provincial_legislatures_in_Argentina 

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Germany 
(data from local statistical offices match reported data by Wikipedia)

Population : https://www.destatis.de/EN/Themes/Society-Environment/Population/Current-Population/Tables/population-by-laender-basis-2022.html 

Baden-Württemberg : 154 ; Bayern : 203 ; Berlin : 159 ; Brandenburg : 88 ; Bremen : 87 ; Hamburg : 121 ; Hesse : 133 ; Mecklenburg-Vorpommern : 79 ; Niedersachsen : 146 ; Nordrhein-Westfalen : 195 ; Rheinland-Pfalz : 101 ; Saarland : 51 ; Sachsen : 120 ; Sachsen-Anhalt : 97 ; Schleswig-Holstein : 69 ; Thüringen : 88. 

Sources for all states : https://en.wikipedia.org/wiki/Composition_of_the_German_state_parliaments 

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Indonesia 
(data from local statistical offices match reported data by Wikipedia)
-> data for seats follow a predictable pattern depending on population in Indonesian provinces

Population : https://en.wikipedia.org/wiki/Provinces_of_Indonesia 

Aceh : 81 https://en.wikipedia.org/wiki/Aceh_House_of_Representatives 

North Sumatra : 100 https://en.wikipedia.org/wiki/North_Sumatra_Regional_House_of_Representatives 

West Sumatra : 65 https://en.wikipedia.org/wiki/West_Sumatra_Regional_House_of_Representatives 

Riau : 65 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Riau 

Jambi : 55 https://dprd-jambiprov.go.id/dewan 

South Sumatra : 75 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Sumatra_Selatan 

Bengkulu : 45 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Bengkulu 

Lampung : 85 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Lampung 

Bangka Belitung Islands : 45 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Kepulauan_Bangka_Belitung 

Riau Islands : 45 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Kepulauan_Riau 

Capital Region Jakarta : 106 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Daerah_Khusus_Ibukota_Jakarta 

West Java : 120 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Jawa_Barat 

Central Java: 120 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Jawa_Tengah 

Special region of Yogyakarta : 55 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Daerah_Istimewa_Yogyakarta 

East Java : 120 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Jawa_Timur 

Banten : 100 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Banten 

Bali : 55 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Bali 

West Nusa Tenggara : 65 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Nusa_Tenggara_Barat 

East Nusa Tenggara : 65 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Nusa_Tenggara_Timur 

West Kalimantan : 65 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Kalimantan_Barat 

Central Kalimantan : 45 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Kalimantan_Tengah 

South Kalimantan : 55 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Kalimantan_Selatan 

East Kalimantan : 55 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Kalimantan_Timur 

North Kalimantan : 35 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Kalimantan_Utara 

North Sulawesi : 45 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Sulawesi_Utara 

Central Sulawesi : 55 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Sulawesi_Tengah 

South Sulawesi : 85 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Sulawesi_Selatan 

Southeast Sulawesi : 45 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Sulawesi_Tenggara 

Gorontalo : 45 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Gorontalo 

West Sulawesi : 45 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Sulawesi_Barat 

Maluku : 45 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Maluku 

North Maluku : 45 https://id.wikipedia.org/wiki/Dewan_Perwakilan_Rakyat_Daerah_Provinsi_Maluku_Utara 

Papua : 45 https://papuaterkini.com/2024/08/24/ini-nama-45-anggota-dpr-papua-terpilih-periode-2024-2029-yang-ditetapkan-kpu/ 

West Papua : 35 https://papuabaratprov.go.id/home/detail-news?id=ANZliGrZdVHtbNObGuERjRCDrjVNuaKF 

South Papua : 35 https://portal.merauke.go.id/news/7718/35-anggota-dprp-papua-selatan-pertama-periode-2024-2029-dilantik.html 

Central Papua : 45 https://www.idezia.com/2024/08/Daftar.Anggota.DPR.Papua.Tengah.html 

Highland Papua : 45 https://journaltelegraf.pikiran-rakyat.com/politik-parlemen/pr-3678366680/daftar-45-anggota-dprd-papua-pegunungan-periode-2024-2029?page=all 

Southwest Papua : 35 https://sorong.tribunnews.com/2024/10/11/daftar-nama-35-anggota-dpr-papua-barat-daya-lengkap-dengan-parpol-dapil-dan-suara-sah 

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India 

Population : https://statisticstimes.com/demographics/india/indian-states-population.php 
Minimum 60 members and max 500. Exemptions possible for small states to go under 60, has to be voted in national parlament. 

Andhra Pradesh : 175 lower house (https://results.eci.gov.in/AcResultGenJune2024/partywiseresult-S01.htm), 58 upper house (https://www.cpahq.org/directory/andhra-pradesh/) 

Arunachal Pradesh : 60 lower house (https://results.eci.gov.in/AcResultGen2ndJune2024/partywiseresult-S02.htm), no upper house

Assam : 126 lower house (https://www.cpahq.org/directory/assam/), no upper house 

Bihar : 243 lower house, 75 upper house https://www.cpahq.org/directory/bihar/ 

Chhattisgarh : 90 lower house (https://cgvidhansabha.gov.in/default_english.htm), no upper house 

Delhi city : 70 lower house (https://www.myneta.info/Delhi2025/index.php?action=show_winners&sort=default), no upper house

Goa : 40 lower house (https://www.goavidhansabha.gov.in/mlas.php), no upper house

Gujarat : 182 lower house (https://prsindia.org/legislatures/state/vital-stats/profile-of-the-15th-gujarat-legislative-assembly), 

Haryana : 90 lower house (https://prsindia.org/legislatures/state/vital-stats/profile-of-the-15th-haryana-legislative-assembly), no upper house

Himachal Pradesh : 68 lower house (https://prsindia.org/legislatures/state/vital-stats/profile-of-the-14th-
himachal-pradesh-legislative-assembly), no upper house

Jharkhand : 81 lower house (https://prsindia.org/legislatures/state/vital-stats/profile-of-the-6th-jharkhand-
legislative-assembly), no upper house

Karnataka : 224 lower house, 75 upper house (https://www.cpahq.org/directory/karnataka/) 

Kerala : 140 lower house (http://www.niyamasabha.org/codes/members.htm), no upper house

Madhya Pradesh : 230 lower house (https://results.eci.gov.in/AcResultGenDecNew2023/partywiseresult-S12.htm), no upper house

Maharashtra : 288 lower house, 78 upper house (https://www.cpahq.org/directory/maharashtra/)

Manipur : 60 lower house (https://prsindia.org/legislatures/state/vital-stats/profile-of-the-12th-manipur-legislative-assembly), no upper house

Meghalaya : 60 lower house (https://megipr.gov.in/Members_Meghalaya_Legislative_Assembly.pdf), no upper house

Mizoram : 40 lower house (https://www.mizoramassembly.in/members), no upper house    

Nagaland : 60 lower house (https://nagaland.gov.in/pages/members-of-nagaland-legislative-assembly), no upper house 

Odisha : 147 lower house (https://prsindia.org/legislatures/state/vital-stats/profile-of-the-17th-odisha-legislative-assembly), no upper house

Puducherry union territory : 33 (23 elected +10 nominated) lower house (https://www.cpahq.org/directory/puducherry/), no upper house  

Punjab : 117 lower house (https://prsindia.org/legislatures/state/vital-stats/profile-of-the-16th-punjab-legislative-assembly), no upper house

Rajasthan : 200 lower house (https://assembly.rajasthan.gov.in/), no upper house

Sikkim : 32 lower house (https://results.eci.gov.in/AcResultGen2ndJune2024/partywiseresult-S21.htm), no upper house

Tamil Nadu : 234 lower house (https://assembly.tn.gov.in/16thassembly/members.php), no upper house

Telangana : 119 lower house, 40 upper house https://www.cpahq.org/directory/telangana/ 

Tripura : 60 lower house (https://tripura.gov.in/members-legislative-assembly), no upper house

Uttar Pradesh : 403 lower house, 100 upper house (https://www.cpahq.org/directory/uttar-pradesh/)

West Bengal : 294 lower house (https://prsindia.org/legislatures/state/vital-stats/profile-of-the-17th-west-bengal-legislative-assembly), no upper house 

Uttarakhand : 70 lower house (https://prsindia.org/legislatures/state/vital-stats/profile-of-the-5th-uttarakhand-legislative-assembly), no upper house

Jammu and Kashmir union territory : 95 (90 elected + 5 nominated) lower house (https://prsindia.org/legislatures/state/vital-stats/profile-of-the-1st-assembly-of-ut-of-jammu-kashmir), no upper house 

Ladakh union territory : unelected members of councils, transition period with geopolitical tensions, 60 councilmembers (30 Leh +30 Kargil). Not included in study

Chandigarh union territory : no legislative assembly. 

Dadra, Nagar, Haveli, Daman and Diu union territory : no legislative assembly.

Andaman and Nicobar union territory : no legislative assembly.

Lakshadweep union territory : no legislative assembly.

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Italy 
(data from local statistical offices match reported data by Wikipedia)

Population https://en.wikipedia.org/wiki/Regions_of_Italy 

Abruzzo : 31 https://en.wikipedia.org/wiki/2024_Abruzzo_regional_election

Aosta Valley : 35 https://en.wikipedia.org/wiki/Regional_Council_of_Aosta_Valley

Apulia : 51 https://en.wikipedia.org/wiki/Regional_Council_of_Apulia

Basilicata : 21 https://en.wikipedia.org/wiki/2024_Basilicata_regional_election 

Calabria : 31 https://en.wikipedia.org/wiki/2025_Calabrian_regional_election 

Campania : 51 https://en.wikipedia.org/wiki/2025_Campania_regional_election 

Emilia-Romagna : 50 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Emilia-Romagna 

Friuli Venezia Giulia : 49 https://www.consiglio.regione.fvg.it/cms/multisito/en/consiglio/ 

Lazio : 51 https://www.wikiwand.com/en/articles/Regional_Council_of_Lazio 

Liguria : 31 https://en.wikipedia.org/wiki/2024_Ligurian_regional_election 

Lombardy : 80 https://www.consiglio.regione.lombardia.it/wps/portal/crl/home/en/regional-council/councillors 

Marche : 31 https://www.consiglio.marche.it/istituzione/consiglieri/ 

Molise : 21 https://en.wikipedia.org/wiki/2023_Molise_regional_election 

Piemonte : 51 https://www.cr.piemonte.it/cms/consiglieri 

Sardinia : 60 https://en.wikipedia.org/wiki/Regional_Council_of_Sardinia 

Sicily : 70 https://en.wikipedia.org/wiki/Sicilian_Regional_Assembly

Trentino Alto Adige/Südtriol : 70 https://en.wikipedia.org/wiki/Regional_Council_of_Trentino-Alto_Adige/S%C3%BCdtirol 

Toscana : 41 https://www.consiglio.regione.toscana.it/consiglieri/default 

Umbria : 21 https://en.wikipedia.org/wiki/Legislative_Assembly_of_Umbria 

Veneto : 51 https://en.wikipedia.org/wiki/Regional_Council_of_Veneto 

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Japan 

Population : https://dashboard.e-stat.go.jp/en/dataSearch

Hokkaido : 100 ; Aomori : 48 ; Iwate : 48 ; Miyagi : 59 ; Akita : 43 ; Yamagata : 43 ; Fukushima : 58 ; Ibaraki : 62 ; Tochigi : 50 ; Gunma : 50 ; Saitama : 93 ; Chiba : 94 ; Tokyo : 127 ; Kanagawa : 105 ; Niigata : 53 ; Toyama : 40 ; Ishikawa : 43 : Fukui : 37 ; Yamanashi : 37 ; Nagano : 57 ; Gifu : 46 ; Shizuoka : 68 ; Aichi : 102 ; Mie : 51 ; Shiga : 44 ; Kyoto : 60 ; Osaka : 88 ; Hyogo : 86 ; Nara : 43 ; Wakayama : 42 ; Tottori : 35 ; Shimane : 37 ; Okayama : 55 ; Hiroshima : 64 ; Yamaguchi : 47 ; Tokushima : 38 ; Kagawa : 41 ; Ehime : 47 ; Kochi : 37 ; Fukuoka : 87 ; Saga : 38 ; Nagasaki : 46 ; Kumamoto : 49 ; Oita : 43 ; Miyazaki : 39 ; Kagoshima : 51 ; Okinawa : 48. 

Source : https://www.soumu.go.jp/main_content/000871256.xlsx 

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Mexico 
(data from local statistical offices match reported data by Wikipedia)

Population : https://www.inegi.org.mx/app/areasgeograficas/#collapse-Resumen and https://en.wikipedia.org/wiki/List_of_Mexican_states_by_population 

Aguascalientes : 27 (18+9) ; Baja Californica : 25 (17+8) ; Baja California Sur : 21 (16+5) ; Campeche : 35 (21+14) ; Chiapas : 40 (24+16) ; Chihuahua : 33 (22+11) ; Mexico City : 66 (33+33) ; Coahuila : 25 (16+9) ; Colima : 25 (16+9) ; Durango : 25 (15+10) ; Guanajuato : 36 (22+14) ; Guerrero : 46 (28+18) ; Hidalgo : 30 (18+12); Jalisco : 38 (20+18) ; Mexico State : 75 (45+30) ; Michoacan : 40 (24+16) ; Morelos : 20 (12+8) ; Nayarit : 30 (18+12) ; Nuevo Leon : 42 (26+16) ; Oaxaca : 42 (25+17) ; Puebla : 41 (26+15) ; Queretaro : 25 (15+10) ; Quintana Roo : 25 (15+10) ; San Luis Potosi : 27 (15+12) ; Sinaloa : 40 (24+16) ; Sonora : 33 (21+12) ; Tabasco : 35 (21+14) ; Tamaulipas : 36 (22+14) ; Tlaxcala : 25 (15+10) ; Veracruz : 50 (30+20) ; Yacatan : 35 (21+14) ; Zacatecas : 30 (18+12). 

Source : https://en.wikipedia.org/wiki/List_of_Mexican_state_congresses 

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Saudi Arabia 

Population : https://en.wikipedia.org/wiki/Provinces_of_Saudi_Arabia 

Asir : 15 ; Al-Baha : 15 ; Al-Jawf : 15 ; Al-Quassim : 15 ; Eastern Province : 15 ; Hayel : 15 ; Jazan : 15 ; Mecca : 20 ; Medina : 20 ; Najran : 15 ; Northern Border Regions : 15 ; Riyadh : 20 ; Tabuk : 15.

Source : https://www.moi.gov.sa/wps/portal/Home/sectors/moidiwan/regions/contents/!ut/p/z0/04_Sj9CPykssy0xPLMnMz0vMAfIjo8ziDTxNTDwMTYy8DbycXAwcA018_F3MHI0NAkz0g1Pz9L30o_ArApqSmVVYGOWoH5Wcn1eSWlGiH1GUmg60QiExLS0xs6hY1QA7v1ghOb80LzkzBygCYynkpuYmpRYV6xdku4cDABVAFfQ!/ 

Not a democracy, no vote for national or provincial parliaments. Appointed members by the king with administrators and “exceptional citizens”. Not related to the population of the region. Another problem : 19 million nationals, 14 million strangers

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South Africa 

Population : https://www.gov.za/about-sa/south-africas-provinces 

Western Cape : 43 ; North West : 38 ; Northern Cape : 30 ; Gauteng : 80 ; Limpopo : 64 ; Mpumalanga : 51 ; Free State : 30 ; Kwa-Zulu Natal : 80; Eastern Cape : 72

Source : https://pmg.org.za/provincial-legislatures/ and https://www.gov.za/sites/default/files/gcis_document/202310/49498gen2088.pdf 

Unicameral voting system, with parliaments varying in sizes from 30 to 80 members. 

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Republic of Korea 

Population (2020) : https://en.wikipedia.org/wiki/Administrative_divisions_of_South_Korea 
New population survey will be done by the end of 2025

Busan Metropolitan council : 47 (42+5) https://council.busan.go.kr/eng/members 

Chungcheongbuk-do : 35 (31+4) https://council.chungbuk.kr/en/member/name.do 

Daegu Metropolitan : 32 (29+3) https://council.daegu.go.kr/en/cms/member 

Chungcheongnam-do : 48 (43+5) https://council.chungnam.go.kr/en/member/name.do 

Incheon Metropolitan : 40 (36+4) https://www.icouncil.go.kr/foreign/eng/council/guide.jsp 

Jeonbuk State : 40 (36+4) https://www.jbstatecouncil.jeonbuk.kr/jbenglish/main 

Gwangju Metropolitan : 23 (20+3) https://council.gwangju.go.kr/eng/index.do?PID=006  

Jeollanam-do : 61 (55+6) https://www.jnassembly.go.kr/jnassem/contents/lawmakerList 

Daejeon Metropolitan : 22 (20+2) https://council.daejeon.go.kr/jsp/eng/content/engMember.jsp 

Gyeongsangbuk-do : 61 (55+6) https://council.gb.go.kr/en/cms/member 

Gyeonggido : 156 (141+15) https://www.ggc.go.kr/site/global/content/glb01_03 

Gyeongsangnam-do : 64 (58+6) https://council.gyeongnam.go.kr/en/pages/member.do 

Gangwon state : 49 (44+5) https://council.gangwon.kr/kr/member/name.do 

Sejong city : 20 https://council.sejong.go.kr/jsp/english/content/member.jsp 

Ulsan Metropolitan : 22 (19+3) https://en.wikipedia.org/wiki/Ulsan_Metropolitan_Council 
Jeju special province : 40 (36+4) https://www.council.jeju.kr/english/committee/standing/education.do 

Seoul special metropolitan city : 112 https://www.smc.seoul.kr/foreign/councilMembers.do?menuId=026001004&lang=english 

All centralized data for seats can be found here : https://www.nec.go.kr/site/nec/ex/bbs/View.do?cbIdx=1129&bcIdx=183568

Individual websites cited above can differ slightly with the centralized file because of vacant or suppletive members being removed/su. Mixed voting system with 1. one representative per constituency (majority voting) and 2. Proportional representation for 10% of the seats of the provincial council. 

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Russia 
(data from local statistical offices match reported data by Wikipedia)

Population : https://en.wikipedia.org/wiki/List_of_federal_subjects_of_Russia_by_population 

Adygea : 50 ; Altai Republic : 41 ; Bashkortostan : 110 ; Buryatia : 66 ; Chechnya : 41 ; Chuvashia : 44 ; Dagestan : 90 ; Ingushetia : 32 ; Kabardino-Balkaria : 70 ; Kalmykia : 27 ; Karachay-Cherkessia : 50 ; Karelia : 36 ; Khakassia : 50 ; Komi republic : 30 ; Mari EL : 52 ; Mordovia : 48 ; North Ossetia – Alania : 70 ; Sakha : 70 ; Tatarstan : 100 ; Tuva : 32 ; Udmurtia : 60 ; Altai Krai : 68 ; Kamtchatka Krai : 28 ; Khabarovsk Krai : 36 ; Krasnodar Krai : 70 ; Krasnoyarsk Krai : 52 ; Perm Krai : 60 ; Primorsky Krai : 40 ; Stavropol Krai : 50 ; Zabaykalsky Krai : 50 ; Amur Oblast : 27 ; Arkhangelsk Oblast : 47 ; Astrakhan Oblast : 44 ; Belgorod Oblast : 50 ; Bryansk Oblast : 60 ; Chelyabinsk Oblast : 60 ; Ivanovo Oblast : 26 ; Irkutsk Oblast : 45 ; Kaliningrad Oblast : 40 ; Kaluga Oblast : 40 ; Kemerovo Oblast : 46 ; Kirov Oblast : 40 ; Kostroma Oblast : 35 ; Kurgan Oblast : 34 ; Kursk Oblast : 45 ; Leningrad Oblast : 50 ; Lipetsk Oblast : 42 ; Magadan Oblast : 21 ; Moscow Oblast : 50 ; Murmansk Oblast : 32 ; Nizhny Novgorod Oblast : 50 ; Novgorod Oblast : 32 ; Novosibirsk Oblast : 76 ; Omsk Oblast : 44 ; Orenburg Oblast : 47 ; Oryol Oblast : 50 ; Penza Oblast : 36 ; Pskov Oblast : 26 ; Rostov Oblast : 60 ; Ryazan Oblast : 36 ; Samara Oblast : 50 ; Saratov Oblast : 40 ; Sakhalin Oblast : 28 ; Sverdlovsk Oblast : 50 ; Smolensk Oblast : 48 ; Tambov Oblast : 50 ; Tver Oblast : 40 ; Tomsk Oblast : 42 ; Tula Oblast : 36 ; Tyumen Oblast : 48 ; Ulyanovsk Oblast : 36 ; Vladimir Oblast : 38 ; Volgograd Oblast : 38 ; Vologda Oblast : 34 ; Voronezh Oblast : 56 ; Yaroslav Oblast : 50 ; Jewish Autonomous Oblast ; 19 ; Chukotka Okrug : 15 ; Khanty-Mansi Okrug : 38 ; Nenets Okrug : 19 ; Yamalo-Nenets Okrug : 22 ; Moscow city : 45 ; Saint Petersburg : 50 ; Crimea : 75 ; Sevastopol : 24.

Source for all subnational units : https://en.wikipedia.org/wiki/Regional_parliaments_of_Russia 
Consistent with official publications

Russia has officially recognized itself 89 federal districts (including the annexed territories of Ukraine since 2022). Originally, there were 83 districts. 2 more have been added when Crimea (Crimea + Sevastopol) was annexed in 2014. One can use 83 or 85 districts. In this study we use 85 districts. The regional districts have different names and electoral systems (mixed, proportional or FPTP) but they are all unicameral. 

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PR China 
Provincial legislatures have dynamic changes over their five year tenure thus explaining the marginal changes that can happen from one year to the next because of resignations or 

Population https://data.stats.gov.cn/english/easyquery.htm?cn=E0103 

Beijing : 774 https://xinwen.bjd.com.cn/content/s638146f5e4b06154fc8419a6.html 

Tianjin : 704 https://ccasindia.org/newsdetails.php?nid=6998

Hebei : 760 (was 755 before November 2025) https://www.bjrd.gov.cn/xwzx/gsrd/202501/t20250121_3994386.html

Shanxi : 552 https://mp.weixin.qq.com/s?__biz=MzI3MDA0MjE4Mg==&mid=2654506024&idx=3&sn=2d8fafe2b99961bfe10914a770cc2ae8&chksm=f11b3901c66cb017958a1646d3f0c4e73ef40e3acd3eaf55828e52960ee628ff35d0dd780e84&scene=27#wechat_redirect

Nei Mongol : 544 (was 538 before November 2025) https://baike.baidu.com/item/%E5%86%85%E8%92%99%E5%8F%A4%E8%87%AA%E6%B2%BB%E5%8C%BA%E7%AC%AC%E5%8D%81%E5%9B%9B%E5%B1%8A%E4%BA%BA%E6%B0%91%E4%BB%A3%E8%A1%A8%E5%A4%A7%E4%BC%9A/62394401

Liaoning : 619 (612 in early 2025) https://baike.baidu.com/item/%E8%BE%BD%E5%AE%81%E7%9C%81%E7%AC%AC%E5%8D%81%E5%9B%9B%E5%B1%8A%E4%BA%BA%E6%B0%91%E4%BB%A3%E8%A1%A8%E5%A4%A7%E4%BC%9A%E4%BB%A3%E8%A1%A8/62671241

Jilin : 520 (513 in mid 2025) https://baike.baidu.com/item/%E5%90%89%E6%9E%97%E7%9C%81%E7%AC%AC%E5%8D%81%E5%9B%9B%E5%B1%8A%E4%BA%BA%E6%B0%91%E4%BB%A3%E8%A1%A8%E5%A4%A7%E4%BC%9A/62370908

Heilongjiang : 554 https://gxt.hlj.gov.cn/gxt/c106952/202301/c00_31517196.shtml

Shanghai: 838 https://m.thepaper.cn/newsDetail_forward_21254976

Jiangsu : 802 http://www.jsrd.gov.cn/rdgl/zzjg/dbzgscwyh/zgscbg/202301/W020230113755584822865.pdf

Zhejiang : 639 https://zjnews.zjol.com.cn/ztjj/zjslh2023/202301/t20230110_25286040.shtml

Anhui : 734 https://szb.ahnews.com.cn/ahrb/layout/202301/11/node_03.html#c954352

Fujian : 561 (was 558 in late 2024) https://baike.baidu.com/item/%E7%A6%8F%E5%BB%BA%E7%9C%81%E7%AC%AC%E5%8D%81%E5%9B%9B%E5%B1%8A%E4%BA%BA%E6%B0%91%E4%BB%A3%E8%A1%A8%E5%A4%A7%E4%BC%9A/62370887

Jiangxi : 613 (was 604 in early 2025) https://jxrd.jxnews.com.cn/system/2024/09/26/020647208.shtml

Shandong : 930 (was 909 in mid 2025) https://baike.baidu.com/item/%E5%B1%B1%E4%B8%9C%E7%9C%81%E7%AC%AC%E5%8D%81%E5%9B%9B%E5%B1%8A%E4%BA%BA%E6%B0%91%E4%BB%A3%E8%A1%A8%E5%A4%A7%E4%BC%9A/62370888

Henan : 945 https://baike.baidu.com/item/%E6%B2%B3%E5%8D%97%E7%9C%81%E7%AC%AC%E5%8D%81%E5%9B%9B%E5%B1%8A%E4%BA%BA%E6%B0%91%E4%BB%A3%E8%A1%A8%E5%A4%A7%E4%BC%9A/62452054

Hubei : 728 http://www.hubei.gov.cn/hbfb/rdgz/202301/t20230111_4484179.shtml

Hunan : 755 https://epaper.voc.com.cn/hnrb/html/2023-01/11/content_1612076.htm?div=-1

Guangdong : 793 http://www.gd.gov.cn/gdywdt/zwzt/2023gdlh/ywbd/content/post_4078586.html

Guangxi : 699 https://www.gxrd.gov.cn/html/art176023.html

Hainan : 397 (387 in late 2024) https://baike.baidu.com/item/%E6%B5%B7%E5%8D%97%E7%9C%81%E7%AC%AC%E4%B8%83%E5%B1%8A%E4%BA%BA%E6%B0%91%E4%BB%A3%E8%A1%A8%E5%A4%A7%E4%BC%9A/62483994

Chongqing : 867 https://epaper.cqrb.cn/cqrb/2023-01/09/004/content_rb_311175.htm

Sichuan : 880 https://www.scspc.gov.cn/rmqlb/2023/1645/02/202301/P020230109853977705337.pdf

Guizhou : 581 http://gz.people.com.cn/n2/2023/0111/c407167-40262031.html

Yunnan : 632 https://www.ynrd.gov.cn/html/2023/changweihuigonggao_0108/20260.html

Tibet : 437 http://xz.people.com.cn/n2/2023/0111/c138901-40262360.html

Shaanxi : 566 https://esb.sxdaily.com.cn/pc/content/202301/11/content_801063.html

Gansu : 503 https://gansu.gscn.com.cn/system/2023/01/12/012889478.shtml

Qinghai : 390 https://baike.baidu.com/item/%E9%9D%92%E6%B5%B7%E7%9C%81%E7%AC%AC%E5%8D%81%E5%9B%9B%E5%B1%8A%E4%BA%BA%E6%B0%91%E4%BB%A3%E8%A1%A8%E5%A4%A7%E4%BC%9A%E4%BB%A3%E8%A1%A8/62670805

Ningxia : 420 https://szb.nxrb.cn/nxrb/pc/att/202301/11/6180c2be-ab3e-4eec-9f29-61dd390d31cf.pdf

Xinjiang : 546 https://xj.chinadaily.com.cn/a/202301/12/WS63bfae57a3102ada8b22ae27.html 

Hong-Kong : 90 https://www.elections.gov.hk/legco2025/eng/brief.html

Macau : 33 https://www.al.gov.mo/en/

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Turkey 

Population for 2022-2024 : https://en.wikipedia.org/wiki/Provinces_of_Turkey_by_population

Adana : 79 https://www.adana.bel.tr/tr/meclis-ve-encumen/5 

Adiyaman : 30 http://www.adiyamanozelidare.gov.tr/il-genel-meclis-uyeleri 

Afyonkarahisar : 51 http://www.afyonozelidare.gov.tr/igmuye 

Agri : 29 http://www.agriilozelidaresi.gov.tr/il-genel-meclisi-uyeleri 

Amasya : 22 http://www.amasyaozelidare.gov.tr/meclis-uyeleri 

Ankara : 147 https://www.ankara.bel.tr/meclis/uyeler?page=8 

Antalya : 112 https://www.antalya.bel.tr/kurumsal/meclis-uyeleri# 

Artvin : 20 http://www.artvinozelidare.gov.tr/il-genel-meclisi 

Aydin : https://www.cumhuriyet.com.tr/turkiye/aydin-buyuksehir-belediyesi-meclisi-nde-kac-uye-var-aydin-
buyuksehir-belediyesi-meclisi-nde-kac-chp-li-kac-akp-li-uye-var-aydin-buyuksehir-belediyesi-meclis-dagilimi-2426153?utm_source=chatgpt.com 

Balikesir : 94 https://balikesir.bel.tr/meclis-uyeleri 

Bilecik : 22 http://www.bilecikozelidare.gov.tr/meclis-uyeleri 

Bingöl : 22 http://www.bingolozelidare.gov.tr/meclis-uyeleri 

Bitlis : 23 http://www.bitlisozelidare.gov.tr/il-genel-meclis-uyeleri 

Bolu : 23 http://www.boluozelidaresi.gov.tr/meclis-uyeleri 

Burdur : 27 http://www.burdurozid.gov.tr/meclis-uyeleri 

Bursa : 106 https://www.bursa.bel.tr/meclis-uyeleri 

Çanakkale : 34 http://canakkaleilozelidaresi.gov.tr/meclis-uyeleri 

Çankiri : 26 http://www.cankiriozelidare.gov.tr/il-genel-meclisi-uyeleri 

Çorum : 36 http://www.corumozelidare.gov.tr/il-genel-meclisi-uyeleri 

Denizli : 72 https://www.denizli.bel.tr/Default.aspx?k=belediye-meclisi 

Diyarbakir : 88 https://sametozsuleyman.com.tr/buyuksehir-belediye-meclisi-il-ve-ilce-uye-sayisi-dagilimi/?
utm_source=chatgpt.com 

Edirne : 27 http://www.edirneozelidare.gov.tr/il-genel-meclis-uyeleri-2024 

Elazig : http://www.elazigozelidaresi.gov.tr/il-genel-meclisi-uyeleri 

Erzincan :  22 http://www.erzincanilozelidaresi.gov.tr/meclis-uyeleri 

Erzurum : 77 https://www.erzurum.bel.tr/meclis-uyeleri 

Eskisehir : 46 https://www.eskisehir.bel.tr/meclis-uyeleri-detay.php?id=231 

Gaziantep : 53 https://www.gaziantep.bel.tr/tr/belediye-meclis-uyeleri 

Giresun : 40 http://www.giresunilozelidare.gov.tr/meclis-uyeleri 

Gümüshane : 15 http://www.gumushaneozelidare.gov.tr/meclis-uyeleri 

Hakkâri : 18 http://www.hakkariozelidare.gov.tr/il-genel-meclisi 

Hatay : 89 https://hatay.bel.tr/buyuksehir-belediye-meclisi 

Isparta : 33 http://www.ispartaozelidare.gov.tr/meclis-uyeleri 

Mersin : 80 https://www.mersin.bel.tr/kurumsal/belediye-meclisi 

Istanbul : 314 https://www.yenisafak.com/ibb-meclis-uyesi-dagilimi-2025-istanbul-buyuksehir-belediyesi-meclisinde-cogunluk-kimde-hangi-partiden-ne-kadar-uye-var-h-4686463?utm_source=chatgpt.com 

Izmir : 184 https://www.izmir.bel.tr/tr/MeclisUyeleri/52?page=19 

Kars : 21 http://www.karsozelidare.gov.tr/meclis-yeleri 

Kastamonu : 46 http://www.kastamonuozelidare.gov.tr/il-genel-meclis-uyeleri 

Kayseri : 70 https://www.kayseri.bel.tr/meclis-uyeleri 

Kirklareli : 24 http://www.kirklareliilozelidaresi.gov.tr/il-genel-meclis-uyeleri 

Kırşehir : 19 http://www.kirsehirozelidare.gov.tr/meclis-uyeleri 

Kocaeli : 84 https://www.kocaeli.bel.tr/belediye-meclis-uyeleri.html 

Konya : 131 https://meclis.konya.bel.tr/index.php/meclis_uyeler 

Kütahya : 37 http://www.kutahyaozid.gov.tr/il-genel-meclisi-2019 

Malatya : 37 https://yesilyurt.bel.tr/kategori/meclis-uyeleri/sayfa-1 

Manisa : 89 https://www.manisa.bel.tr/t7_buyuksehir-belediye-meclisi.aspx 

Kahramanmaras : 59 https://kahramanmaras.bel.tr/kurumsal/buyuksehir-belediye-meclisi/meclis-uyeleri 

Mardin : 29 https://www.mardintso.org.tr/profil-kategori/meclis-uyeleri 

Mugla : 69 https://www.mugla.bel.tr/belediye-meclis-uyeleri 

Mus : 21 http://www.musilozelidaresi.gov.tr/mus-il-genel-meclis-uyeleri-listesi 

Nevsehir : 22 http://www.nevsehirozelidare.gov.tr/il-genel-meclisi-uyeleri 

Nigde : 19 http://www.nigdeozelidare.gov.tr/il-genel-meclisi-uyeleri 

Ordu : 74 https://ordu.bel.tr/meclis-uyeleri 

Rize : 30 http://www.rizeozelidare.gov.tr/uyeler 

Sakarya : 79 https://www.sakarya.bel.tr/tr/Kisiler-Kategori/meclis/11 

Samsun : 123 https://samsun.bel.tr/belediye-meclisi 

Siirt : 22 https://www.siirttesonsoz.com/haber/il-genel-meclis-baskanligina-cangir-bayram-secildi-30588.html?
utm_source=chatgpt.com 

Sinop : 22 http://www.sinopozelidare.gov.tr/meclis-uyeleri 

Sivas : 43 http://www.sivasilozelidaresi.gov.tr/25-donem-il-genel-meclisi-uyeleri 

Tekirdag : 64 http://www.sivasilozelidaresi.gov.tr/25-donem-il-genel-meclisi-uyeleri 

Tokat : 40 https://www.tokatozelidaresi.gov.tr/meclis-uyeleri 

Trabzon : 71 https://www.trabzon.bel.tr/Web/MeclisUyeleri 

Tunceli : 17 http://www.tunceliozelidare.gov.tr/meclis-uyeleri 

Sanliurfa : 86 https://www.sanliurfa.bel.tr/meclis-uyeleri 

Usak : 19 http://www.usakozelidaresi.gov.tr/il-genel-meclisi-uyeleri 

Van : 85 https://sametozsuleyman.com.tr/buyuksehir-belediye-meclisi-il-ve-ilce-uye-sayisi-dagilimi/ 

Yozgat : 39 http://www.yozgatozelidare.gov.tr/il-genel-meclisi 

Zonguldak : 32 http://www.zonguldakozelidare.gov.tr/il-genel-meclisi-uyeleri 

Aksaray : 23 http://www.aksarayozelidare.gov.tr/il-genel-meclis-uyeleri 

Bayburt : 8 http://www.bayburtozelidare.gov.tr/meclis-uyeleri 

Karaman : 17 http://www.karamanozelidare.gov.tr/il-genel-meclis-uyeleri 

Kirikkale : 23 http://www.kirikkaleilozelidare.gov.tr/2019-2024 

Batman : 23 https://batmanozelidare.gov.tr/meclis-uyeleri 

Sirnak : 29 http://www.sirnakozelidare.gov.tr/meclis-uyeleri 

Bartin : 12 http://www.bartinozelidare.gov.tr/il-genel-meclisi-2019-dagilim 

Ardahan : 13 http://www.ardahanozelidare.gov.tr/genel-meclis-uyeleri 

Igdir : 32 https://www.igdir.bel.tr/belediye-meclis-uyeleri 

Yalova : 20 http://www.yalovaozelidare.gov.tr/meclis-yeleri 

Karabük : 18 http://www.karabukozelidare.gov.tr/meclis-uyeleri 

Kilis : 11 http://www.kilisozelidare.gov.tr/meclis-uyeleri 

Osmaniye : 25 http://www.osmaniyeozelidare.gov.tr/meclis-uyeleri 

Düzce : 22 http://www.duzceilozelidaresi.gov.tr/meclis-uyeleri 
 
Central source for special metropolises : https://sametozsuleyman.com.tr/buyuksehir-belediye-meclisi-il-ve-ilce-uye-sayisi-dagilimi/ 

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United States 

Population : https://www.census.gov/data/tables/time-series/demo/popest/2020s-state-total.html 

Alabama : 105 lower , 35 upper ; Alaska : 40 lower, 20 upper ; Arizona : 60 lower, 30 upper ; Arkansas : 100 lower, 35 upper ; California : 80 lower, 40 upper ; Colorado : 65 lower, 35 upper ; Connecticut : 151 lower, 36 upper ; Delaware : 41 lower, 21 upper ; Florida : 120 lower, 40 upper ; Georgia : 180 lower, 56 upper ; Hawai’i : 51 lower, 25 upper ; Idaho : 70 lower, 35 upper ; Illinois : 118 lower, 59 upper ; Indiana : 100 lower, 50 upper ; Iowa : 100 lower, 50 upper ; Kansas : 125 lower, 40 upper ; Kentucky : 100 lower, 38 upper ; Louisiana : 105 lower, 39 upper ; Maine : 151 lower, 35 upper ; Maryland : 141 lower, 47 upper ; Massachusetts : 160 lower, 40 upper ; Michigan : 110 lower, 38 upper ; Minnesota : 134 lower, 67 upper ; Mississippi : 122 lower, 52 upper ; Missouri : 163 lower, 34 upper ; Montana : 100 lower, 50 upper ; Nebraska : 49 lower (unicameral) ; Nevada : 42 lower, 21 upper ; New Hampshire : 400 lower, 24 upper ; New Jersey : 80 lower, 40 upper ; New Mexico : 70 lower, 42 upper ; New York : 150 lower, 62 upper ; North Carolina : 120 lower, 50 upper ; North Dakota : 94 lower, 47 upper ; Ohio : 99 lower, 33 upper ; Oklahoma : 101 lower, 48 upper ; Oregon : 60 lower, 30 upper ; Pennsylvania : 203 lower, 50 upper ; Rhode Island : 75 lower, 38 upper ; South Carolina : 124 lower, 46 upper ; South Dakota : 70 lower, 35 upper ; Tennessee : 99 lower, 33 lower ; Texas : 150 lower, 31 upper ; Utah : 75 lower, 29 upper ; Vermont : 150 lower, 30 upper ; Virginia : 100 lower, 40 upper ; Washington : 98 lower, 49 upper ; West Virginia : 100 lower, 34 upper ; Wisconsin : 99 lower, 33 upper ; Wyoming : 60 lower, 30 upper. 

Centralized source for all 50 states: https://www.brennancenter.org/sites/default/files/legal-work/2019%2050%20State%20Guide%20Citations.pdf?inline=1 

Special and overseas territories :
District of Columbia : 13 (https://dccouncil.gov/councilmembers/)
American Samoa : 21 lower, 18 upper (https://www.americansamoa.gov/fono/) 
Guam : 15 lower unicameral (https://guamlegislature.gov/senators-2/)
CNMI : 20 lower, 9 upper (https://cnmileg.net/members.asp?secID=2&legsID=24) 
Puerto Rico : 53 lower (https://camara.registrok12.com/representante/), 28 upper (https://www.senado.pr.gov/senadores) 
USVI : 15 lower unicameral (https://ballotpedia.org/Legislature_of_the_Virgin_Islands). 

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United Kingdom 

There are 4 different types of legislative-administrative subnational units in England.

County councils : https://opencouncildata.co.uk/councils.php?model=C&y=0 
population : https://www.countycouncilsnetwork.org.uk/wp-content/uploads/CCN-Analysis-Population-Change-in-Counties.pdf 

Metropolitan Councils : https://opencouncildata.co.uk/councils.php?model=M&y=0 

Unitary councils : https://opencouncildata.co.uk/councils.php?model=U&y=0, 
population : https://en.wikipedia.org/wiki/List_of_unitary_authorities_of_England 

London councils : councilors https://opencouncildata.co.uk/councils.php?model=L&y=0 ; 
population : https://www.statista.com/statistics/381055/london-population-by-borough/ 
https://www.countycouncilsnetwork.org.uk/wp-content/uploads/CCN-Analysis-Population-Change-in-Counties.pdf 

Until 2008, there were regional assemblies for England. It was dissolved and for a deeper devolution of power, local authorities have full control. No subnational units between UK parliament and local authorities.

Scotland : seats https://opencouncildata.co.uk/councils.php?model=S&y=0, 
population : https://www.scotlandscensus.gov.uk/media/h5qokkij/scotland-s-census-2022-first-results-rounded-population-estimates-data.xlsx 

Wales : seats https://opencouncildata.co.uk/councils.php?model=W&y=0, 
population https://statswales.gov.wales/Catalogue/Population-and-Migration/Population/Estimates/Local-Authority/populationestimates-by-localauthority-year 

Northern Ireland : seats https://opencouncildata.co.uk/nicouncils.php?y=0

Overseas territories of the UK :

Jersey : 47 https://statesassembly.je/members, 
population https://stats.je/statistic/population/ 

Guernsey : 40 https://parliament.gg/members-and-constitution/deputies-and-representatives, 
population https://www.aacrao.org/edge/country/bailiwick-of-guernsey 

Pitcairn : 7 https://www.government.pn/government/island-council-minutes
Population : stable around 50.

Anguilla : 13 https://gov.ai/ministry/he-the-governor/house-of-assembly, 
population https://www.un.org/dppa/decolonization/en/nsgt/anguilla

Bermuda : 36 lower, 11 upper (https://www.parliament.bm/about/view/7), 
population https://datacommons.org/place/country/BMU 

Cayman Islands : 21 https://parliament.ky/, 
population https://www.gov.ky/ourislands 

Falkland Islands : 8 https://assembly.gov.fk/legislative-assembly/about, 
population https://www.falklands.gov.fk/policy/2021-census/census 

Gibraltar : 17 lower https://www.parliament.gi/elections-home/general-election-2023-information, 
population https://www.gibraltar.gov.gi/statistics/census/census-reports 

Montserrat : 9 https://www.gov.ms/government/legislative-branch/, 
population https://statistics.gov.ms/subjects/social-and-demographic-statistics/population-and-demography/ 

Saint Helena : 12 https://www.sainthelena.gov.sh/government/legislative-council/,
population https://www.sainthelena.gov.sh/st-helena/statistics/ 

British Virgin Islands : 13 http://www.bvi.gov.vg/house-assembly-history,
population https://datacommons.org/place/country/VGB 

Turks and Caicos : 19 https://gov.tc/hoa/, 
population https://www.gov.tc/stats/statistics/social/5-population 

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